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POMultiple textures on a heightmap with blending?
 

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  1. POMultiple textures on a heightmap with blending?
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    <p>This is my first time here (With an account), I'm looking to make a height-map editor with XNA 4.0 (Somewhat similar to Earth2150's, if you've played it).</p> <p>I've written a custom Effect File here: <a href="http://pastebin.com/CUFtB8Z9" rel="nofollow">http://pastebin.com/CUFtB8Z9</a></p> <p>It blends textures just fine, except it blends over the entire map.</p> <p>What I really want is to be able to have multiple textures on my heightmap (Which i'll then blend with the nearest other texture) and I am looking for ways to do this.</p> <p>I thought about assigning a <code>float</code> in my Vertex Declaration, then using an array of textures to "Assign" a texture to a specific vertex. But how would I go about getting my effect file to take in a different value for a texture on each vertex?</p> <p>Sorry about not being very clear, here is my Draw code and my Vertex Declaration:</p> <p>(Excuse the random number changing, It was my attempt to try and get each vertex to pick a random texture)</p> <pre><code>public void Draw(Texture2D[] TextureArray) { RasterizerState rs = new RasterizerState(); rs.CullMode = CullMode.None; //rs.FillMode = FillMode.WireFrame; EditGame.Instance.GraphicsDevice.RasterizerState = rs; Random rnd = new Random(); foreach (EffectPass pass in EditGame.Instance.baseEffect.CurrentTechnique.Passes) { if (SlowCounter == 60) { EditGame.Instance.baseEffect.Parameters["xTexture"].SetValue(TextureArray[rnd.Next(0, 2)]); EditGame.Instance.baseEffect.Parameters["bTexture"].SetValue(TextureArray[rnd.Next(0, 2)]); SlowCounter = 0; } pass.Apply(); EditGame.Instance.GraphicsDevice.DrawUserIndexedPrimitives(PrimitiveType.TriangleList, vertices, 0, vertices.Length, indices, 0, indices.Length / 3, VP2TC.VertexDeclaration); } SlowCounter++; } public readonly static VertexDeclaration VertexDeclaration = new VertexDeclaration( new VertexElement(0, VertexElementFormat.Vector3, VertexElementUsage.Position, 0), new VertexElement(12, VertexElementFormat.Vector2, VertexElementUsage.TextureCoordinate,0), new VertexElement(20, VertexElementFormat.Vector2, VertexElementUsage.TextureCoordinate,1), new VertexElement(28, VertexElementFormat.Single, VertexElementUsage.BlendWeight,0), new VertexElement(32, VertexElementFormat.Vector3,VertexElementUsage.Normal,0), new VertexElement(44, VertexElementFormat.Color,VertexElementUsage.Color,0) ); </code></pre>
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    1. USBartosz Ciechanowski
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      1. POMultiple textures on a heightmap with blending?
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      1. VTUpMod
    1. COI'm not entirely clear on what you're looking for. Are you trying to get a different blend of textures on a per vertex basis?
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      1. POMultiple textures on a heightmap with blending?
      1. USMartin
 

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